OpenTechnical

OT-2026-000070493

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000070493) never changes.

Identity and time

Publication numberOT-2026-000070493 · never reused
Internal UUID01a0ae91-545f-7d7a-9e62-b81cf6a46c4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070493
StatusPUBLIC

Content hashes

Canonical text8966060718de167bf54ade442ec7589a5a523fed83123d6d19d594949ded985a
Markdowne982d015b0a666bcabce4d9e38561f18213067006ae6a6a7f0736fd8463fad6e
PDF
Publication page1d278d4bf06110855f2bd911e481a04cb328bd219200e41e6a7ca9186dbb8f05
Manifest518ee2597f069c7090c58fa3aef89179d70db81a98a31cd15001169409ed8c61

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturev6RLMbkBLSsVWBnzoFWNCARyKgPfcCM4ct6bPR5s/MhXbpywTkgv6BW7eDpd0xDfPnsznyefJidI/ko8tgLJAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:19.678573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070493
observed 1d278d4bf06110855f2bd911e481a04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.662739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070493/manifest.json
observed 518ee2597f069c7090c58fa3aef89179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.643072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070493/publication.md
observed e982d015b0a666bcabce4d9e38561f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.626280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070493/publication.txt
observed 8966060718de167bf54ade442ec7589a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.